#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int year;
	for (year = 1000; year <= 2000; year++)
	{
		if (((year % 4) == 0 && (year % 100) != 0) || (year % 400) == 0)
		{
			printf("%d ", year);
		}
	}
	return 0;
}